Add sspBC adapter  (#2157)
Add sspBC adapter  (#2157)

* add sspbc adapter

* add sspbc adapter

Co-authored-by: Wojciech Biały <1ab7650b3a4106848be4a2d9617f4dd088973973@WojciechBialy.local>
prebid/prebid.github.io,prebid/prebid.github.io,prebid/prebid.github.io